Home / 108,942.60-163,184.16-49,828.08

Finding the Fourth Proportional to 108,942.60, 163,184.16 and 49,828.08

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Solution

The fourth proportional to 108,942.60, 163,184.16 and 49,828.08 is: 74,637.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,942.60 : 163,184.16 = 49,828.08 : x
  2. Step 2: Convert to fraction form
    108,942.60/163,184.16 = 49,828.08/x
  3. Step 3: Cross multiply
    108,942.60x = 163,184.16 × 49,828.08
  4. Step 4: Simplify right side
    108,942.60x = 8,131,153,379.21
  5. Step 5: Solve for x
    x = 8,131,153,379.21/108,942.60
  6. Step 6: Final answer
    x = 74,637.04

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.